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 ###Instrução: Qual localização do transmissor tem potência digital de 570kw?
 ###Tabelas: CREATE TABLE main_transmitters (main_transmitters_id AUTO_INCREMENT PRIMARY KEY, Region served VARCHAR, ch 1 VARCHAR, On-air date VARCHAR, Analogue Power VARCHAR, Digital Power VARCHAR, Analogue HAAT VARCHAR, Digital HAAT VARCHAR, Transmitter Location VARCHAR) CREATE TABLE round_one (round_one_id AUTO_INCREMENT PRIMARY KEY, Pick INT, AFL Team VARCHAR, Player VARCHAR, Position VARCHAR, College VARCHAR) CREATE TABLE made_the_cut (made_the_cut_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Country VARCHAR, Year(s) won VARCHAR, Total INT, To par INT, Finish VARCHAR) CREATE TABLE analytical_table (analytical_table_id AUTO_INCREMENT PRIMARY KEY, State VARCHAR, Votes INT, Votes since 1856 INT, Democratic votes INT, D votes since 1856 INT, % of D votes VARCHAR, D % since 1856 VARCHAR, Republican votes INT, % of R votes VARCHAR, R % since 1856 VARCHAR, Other votes INT, O votes since 1856 INT, % of O votes VARCHAR, O % since 1856 VARCHAR) CREATE TABLE squad (squad_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Tests INT, Club VARCHAR, Career caps INT, Tour Apps INT, Position VARCHAR)  
SELECT Transmitter Location FROM main_transmitters WHERE Digital Power = 570kw